ma.vi.base.crypt.Hashing Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of com.vikmad.base Show documentation

Base algos, data structures and utilities

The newest version!

/*
 * Copyright (c) 2018 Vikash Madhow
 */

package ma.vi.base.crypt;

import java.security.MessageDigest;

import static java.lang.Integer.toHexString;
import static java.nio.charset.StandardCharsets.UTF_8;
import static ma.vi.base.lang.Errors.unchecked;

/**
 * @author Vikash Madhow ([email protected])
 */
public class Hashing {
  public static String sha256(String text) {
    try {
      MessageDigest md = MessageDigest.getInstance("SHA-256");
      byte[] hashInBytes = md.digest(text.getBytes(UTF_8));
      return (toHex(hashInBytes));
    } catch (Exception e) {
      throw unchecked(e);
    }
  }

  public static String toHex(byte[] bytes) {
    StringBuilder sb = new StringBuilder();
    for (byte b : bytes) {
      sb.append(toHexString(b & 0xff));
    }
    return sb.toString();
  }
}